Oldest Bridges in Colorado

The oldest bridge in Colorado dates to 1887. The table below shows the state's most historic bridges, ranked by year built. Many of these structures have survived well beyond their original design life — click any bridge to see its current condition and inspection history.

How this ranking works

This state list uses the NBI year-built field and links each bridge to its current inspection record. Treat age as a history signal, not a condition score.

Bridge	County	Year Built	Condition	Daily Traffic
Vincent Drive over Cottonwood Creek	El Paso	1887	Fair	6,580
County Road G over Rio Grande River	Conejos	1892	Poor	37
County Road 67 over East Fork Eight Mile Crk	Fremont	1894	Poor	25
Local Drainage over Foreign Trade Zone BLVD	El Paso	1901	Good	435
SW 14th Street over Misc Drainage Basin	Larimer	1901	Good	6,085
I.9 Road over Local Drainage	Mesa	1901	Poor	309
County Road 9d over Capitol Creek	Pitkin	1901	Fair	2
Platte Avenue over Shooks Run	El Paso	1902	Poor	18,034
Mesa Avenue over Bessemer Ditch	Pueblo	1903	Fair	992
City F Street over Arkansas River	Chaffee	1906	Fair	2,325
SH 69 Ml over Texas Creek	Custer	1906	Fair	1,800
Canon AVE over Fountain Creek	El Paso	1906	Fair	1,195
County Road 27 over Arkansas River	Fremont	1907	Poor	41
County Road 191 over Arkansas River	Chaffee	1908	Poor	0
W 2nd Street over Oak Creek	Fremont	1908	Fair	139
County Road 6 over Arkansas River	Fremont	1910	Fair	0
County Road 104 over Huerfano River	Huerfano	1910	Fair	13
US 550 Ml over Animas River	La Plata	1910	Fair	28,000
County RD 40.2 over Road Canyon Creek	Las Animas	1910	Fair	18
SH 26 Ml over South Platte River	Denver	1911	Fair	42,000
SH 1 Ml over Larimer Co Canal	Larimer	1911	Fair	7,900
Navajo Road over Piedra River	Archuleta	1913	Fair	927
25th Street over Fountain Creek	El Paso	1915	Poor	283
Cache La Poudre ST over Shooks Run	El Paso	1915	Fair	4,940
Uintah Street over Shooks Run	El Paso	1915	Fair	16,577
Fifth St. over Anderson Arroyo	Otero	1915	Fair	2,767
E 3rd Street over Coal Creek	Fremont	1916	Fair	2,092
CR 220/squirrel Ck over South Creek	Pueblo	1916	Fair	72
CR 213/penn. Ave. over Squirrel Creek	Pueblo	1916	Fair	137
CR 218/curtis RD over South Creek	Pueblo	1916	Fair	36
Cr277/kenny Pounds over Graneros Creek	Pueblo	1916	Fair	21
CR 220/squirrel CR over Squirrel Creek	Pueblo	1916	Fair	49
Co RD 54a over Middle Boulder Creek	Boulder	1917	Fair	70
Co RD 54a over Middle Boulder Creek	Boulder	1917	Fair	66
C.r. Hidden Vly over Cottonwood Creek	Fremont	1917	Fair	21
Railroad Avenue over Greeley Loveland Canal	Larimer	1917	Fair	1,010
E 2nd Street over Coal Creek	Fremont	1918	Fair	611
Railroad Street over Coal Creek	Fremont	1918	Fair	548
SH 330 Ml over Big Creek	Mesa	1918	Fair	1,600
County Road Hh.5 over Apishapa River	Otero	1918	Fair	22
County Road 170 over East Bijou Creek	Elbert	1919	Poor	14
Mulberry Street over Larimer Co. Canal No. 2	Larimer	1920	Fair	12,947
County RD 91.0 over Furness Arroyo	Las Animas	1920	Fair	1
County Road 52 over Harmony No. 2 Canal	Logan	1920	Fair	2
SH 115 Ml over Coal Creek	Fremont	1921	Fair	6,600
East 4th Street over Greeley Loveland Canal	Larimer	1921	Fair	2,108
US 50 Ml over Huerfano River	Pueblo	1921	Fair	4,600
Monroe Avenue over Greeley Loveland Canal	Larimer	1922	Poor	473
Washington Avenue over Greeley Loveland Canal	Larimer	1922	Fair	1,989
County Road 22.9 over Cottonwood Creek	Sedgwick	1922	Fair	0
US 50 Ml over Graveyard Creek	Bent	1923	Fair	2,200
CR 120/portland RD over Beaver Creek	Fremont	1923	Poor	35
Cr120/old Portland over Ranger Creek	Fremont	1923	Fair	42
SH 115 Ml over Sand Creek	Fremont	1923	Fair	4,100
County Road 5 over Sand Creek	Kit Carson	1923	Fair	66
Jay Jay Road over Spring Creek	Montrose	1923	Fair	1,603
Nfsr 96 over So. Platte River	Park	1923	Poor	200
County Rd. 27th LN over St.charles River	Pueblo	1923	Fair	1,251
Slate Creek RD over Blue River	Summit	1923	Fair	13
US 287 Ml over Draw	Larimer	1924	Fair	29,000
US 287 Ml over Louden Canal	Larimer	1924	Fair	34,000
US 50 Bus Ebnd over Arkansas River	Pueblo	1924	Fair	9,000
Co RD 65/south RD over St. Charles River	Pueblo	1924	Fair	963
County Road 23 over Rio Grande Canal	Rio Grande	1924	Fair	53
11th AVE over Cherry Creek	Denver	1925	Fair	6,301
SH 120 Ml over Bear Creek	Fremont	1925	Fair	190
SH 120 Ml over Draw	Fremont	1925	Fair	190
West 29th Street over L. Loveland Outlet Canal	Larimer	1925	Fair	13,399
SH 12 Ml over Draw	Las Animas	1925	Fair	520
County Road 6250 over Montrose And Delta Canal	Montrose	1925	Fair	579
SH 144 Ml over Jackson Lake Outlet	Morgan	1925	Fair	410
US 50 Ml Wbnd over Williams Creek	Pueblo	1925	Fair	18,000
SH 78 Ml over Boggs Creek	Pueblo	1925	Fair	1,500
Union Avenue over Uprr Bnsf Ar	Pueblo	1925	Poor	6,216
I 25 Ml over Teachout Creek	El Paso	1926	Fair	84,000
I 25 Ml over Draw	El Paso	1926	Fair	91,000
US 50 Service RD over Gunnison Rvr SR	Gunnison	1926	Fair	1,082
US 50 Service RD over Gunnison River	Gunnison	1926	Fair	845
Park Avenue over Bear Creek	Jefferson	1926	Poor	220
County Road 223 over Florida River	La Plata	1926	Fair	84
County RD 38.0 over Duran Arroyo	Las Animas	1926	Fair	36
County RD 57.7 over Reilly Canyon Creek	Las Animas	1926	Poor	592
US 50 Ml over Draw	Pueblo	1926	Fair	9,200
I 25 Ml over Draw	Pueblo	1926	Fair	15,000
US 6 Ml over South Platte Ditch	Washington	1926	Good	1,000
County Road 103 over Middle St. Vrain Creek	Boulder	1927	Fair	56
County Road 84w over North St. Vrain Creek	Boulder	1927	Fair	122
Public Road over Coal Creek	Boulder	1927	Fair	10,350
SH 105 Ml over Crystal Creek	El Paso	1927	Fair	8,500
US 160 Ml over North Veta Creek	Huerfano	1927	Fair	5,300
County Road 93 over Squaw Creek	Montrose	1927	Fair	10
US 50 Business over Draw	Pueblo	1927	Fair	840
Berkley + Small Av over Bessemer Ditch	Pueblo	1927	Fair	2,493
SH 7 Ml over Draw	Boulder	1928	Fair	19,000
13th AVE over Cherry Creek	Denver	1928	Fair	7,892
Cr123 (3rd Street) over Brush Hollow Creek	Fremont	1928	Fair	683
US 24 Ml over Spring Creek	Kit Carson	1928	Fair	350
I 25 Ml over Gonzales Canyon Creek	Las Animas	1928	Poor	790
I 25 Ml over Draw	Pueblo	1928	Fair	35,000
I 25 Ml over Draw	Pueblo	1928	Fair	35,000
CR 273/apache City over Graneros Creek	Pueblo	1928	Fair	170
8th Street over I25 Drgwrr Fountain Crk	Pueblo	1928	Fair	6,482
US 285 Ml over Conejos Riv.overflow	Conejos	1929	Poor	3,200
US 285 Ml over Conejos River	Conejos	1929	Fair	3,200
Washington ST over Cherry Creek	Denver	1929	Fair	4,392
I 25 Ml Nbnd over Sand Creek	El Paso	1929	Good	17,500
I 25 Ml Nbnd over Draw	El Paso	1929	Good	19,000
County Road 330 over Williams Fork River	Grand	1929	Fair	166
County Road 63.1 over Bnsf Rr	Las Animas	1929	Poor	713
SH 96 Ml over Bob Creek Canal	Pueblo	1929	Poor	1,400
Greene Street over Cement Creek	San Juan	1929	Poor	647
County Road 12 over Plum Creek	Baca	1930	Fair	21
SH 170 Ml over South Boulder Creek	Boulder	1930	Fair	388
CR 4110 over North Fork Gunnison Rvr	Delta	1930	Fair	310
Costilla Street over Shooks Run	El Paso	1930	Fair	4,652
San Miguel ST over Shooks Run	El Paso	1930	Fair	1,422
US 85 Ml over Draw	El Paso	1930	Fair	17,000
US 85 Ml over Fountain Creek	El Paso	1930	Poor	11,000
County Road 47 over Arkansas River	Fremont	1930	Poor	132
County Road 12 over Red Gulch	Fremont	1930	Fair	213
SH 120 Ml over Cockelburr Creek	Fremont	1930	Fair	800
Fdr 125 Service RD over Arapaho Creek	Grand	1930	Fair	1
County Road 616 over Huerfano River	Huerfano	1930	Fair	55
I 25 Ml over Draw	Huerfano	1930	Fair	14,000
74th Avenue over Farmers Highline Canal	Jefferson	1930	Fair	3,182
80th Avenue over Farmers Highline Canal	Jefferson	1930	Fair	16,690
80th Avenue over Croke Canal	Jefferson	1930	Fair	16,690
Independence Trail over Bear Creek \| Meadow Driv	Jefferson	1930	Fair	407
County Road 29 over N. Fk. Smoky Hill River	Kit Carson	1930	Fair	7
County Road 40 over Trib. To Landsman Creek	Kit Carson	1930	Fair	262
Irr# County RD 122 over La Plata River	La Plata	1930	Fair	92
US 287 Ml over Lake Canal	Larimer	1930	Fair	25,000
Mulberry St/cr 46 over Pleas. Valley Lake Canal	Larimer	1930	Fair	4,030
West 1st Street over Transfer Ditch	Larimer	1930	Fair	6,800
County Road 15 over North Poudre Canal	Larimer	1930	Fair	1,103
County Road 56 over Larimer County Canal	Larimer	1930	Poor	91
County RD 105.5 over Thompson Creek	Las Animas	1930	Poor	13
County RD 105.5 over Dry Creek	Las Animas	1930	Poor	10
County RD 22.0 over San Francisco Creek	Las Animas	1930	Poor	8
County RD 42.0 over Apishapa River	Las Animas	1930	Fair	54
County RD 6.8 over Channey Arroyo	Las Animas	1930	Fair	16
County RD 63.1 over Canyon Del Agua Creek	Las Animas	1930	Fair	38
County RD 69.1 over Raton Creek	Las Animas	1930	Fair	75
County RD 75.0 over Picketwire Ditch	Las Animas	1930	Fair	124
County RD 75.0 over Apishapa River	Las Animas	1930	Fair	17
County RD 8.8 over Rito Seco Creek	Las Animas	1930	Fair	13
US 138 Ml over Powell Ditch	Logan	1930	Fair	690
County Road 56.3 over Harmony No2 Return Canal	Logan	1930	Poor	0
SH 139 Ml over Highline Canal	Mesa	1930	Fair	720
SH 149 Ml over Willow Creek	Mineral	1930	Fair	1,800
County Road 430 over Rio Grande River	Mineral	1930	Fair	47
County Road 104 over Miller Creek	Moffat	1930	Fair	18
County Road 104 over Skull Creek	Moffat	1930	Poor	23
Irr# Co.rd. J over Mcelmo Creek	Montezuma	1930	Fair	62
SH 348 Ml over Ironstone Canal	Montrose	1930	Fair	940
County Road 19 over Granada Creek	Prowers	1930	Poor	29
I 25 Service RD over Brantzell Arroyo SR	Pueblo	1930	Fair	15,000
County Road 10 over White River	Rio Blanco	1930	Fair	164
County Road 12 over North Fork White River	Rio Blanco	1930	Fair	114
US 138 Ml over Peterson Canal	Sedgwick	1930	Fair	720
US 138 Ml over Draw	Sedgwick	1930	Fair	720
County Road 1 over Hay Creek	Teller	1930	Fair	2,901
Railroad Drive over Union Ditch	Weld	1930	Fair	202
County Road 76.5 over Larimer And Weld Canal	Weld	1930	Poor	304
Broadway over Big Dry Creek	Arapahoe	1931	Fair	40,486
US 36 Ml over Draw	Arapahoe	1931	Poor	3,400
I 70 Service RD over Rattlesnake Creek SR	Arapahoe	1931	Poor	383
US 40 Ml over Draw	Arapahoe	1931	Fair	300
Colorado Boulevard over Soda Creek	Clear Creek	1931	Fair	4,159
US 24 Ml Ebnd over Fountain Creek	El Paso	1931	Fair	11,500
Third Street over Rifle Creek	Garfield	1931	Fair	3,547
US 24 Ml over Spring Creek	Kit Carson	1931	Fair	350
Santa Fe Trail over Moores Canyon Creek	Las Animas	1931	Good	3,033
County Road M.80 over West Salt Wash	Mesa	1931	Poor	131
Third St. over King Arroyo	Otero	1931	Fair	1,844
Third Street over Anderson Arroyo	Otero	1931	Poor	3,981
US 50 Ml Wbnd over Thompson Arroyo	Otero	1931	Fair	1,600
US 50 Ml over Lamar Canal	Prowers	1931	Fair	13,000
I 25 Ml Sbnd over Burnt Mill Road	Pueblo	1931	Fair	7,500
I 25 Service RD over Cf+i Water Lines SR	Pueblo	1931	Fair	474
I 25 Service RD over Salt Creek	Pueblo	1931	Fair	474
US 85 Ml Nbnd over Larimer-weld Canal	Weld	1931	Fair	4,250
US 36 Ml over Little Comanche Creek	Adams	1932	Fair	3,400
US 285 SR over Chalk Creek	Chaffee	1932	Fair	7,553
US 24 Business RT over Fountain Creek	El Paso	1932	Fair	1,300
US 24 Ml over Draw	El Paso	1932	Fair	11,000
Parking Lot Access over Fountain Creek	El Paso	1932	Fair	149
US 6 Ml over Draw	Garfield	1932	Fair	1,900
US 24 Ml over Draw	Kit Carson	1932	Good	370
County Road 45e over Dale Creek	Larimer	1932	Poor	16
SH 239 Ml over Canal	Las Animas	1932	Poor	380
US 6 Ml over Beaver Creek	Morgan	1932	Fair	1,400
I 25 Ml over Draw	Pueblo	1932	Fair	15,000
US 50 Ml over Rocky Fd. Highline Canal	Pueblo	1932	Fair	4,200
County Road 29 over Beaver Creek	Washington	1932	Fair	55
SH 119 Ml over Middle Boulder Creek	Boulder	1933	Fair	5,800
US 40 Ml over Draw	Cheyenne	1933	Fair	3,300
US 40 Ml over Draw	Cheyenne	1933	Fair	3,300
US 40 Ml over Draw	Cheyenne	1933	Good	3,300
US 40 Ml over Draw	Cheyenne	1933	Fair	3,800